AWS - RDS and Relational Databases
You created a security group for your RDS instance but cannot connect from your application server. What is a likely misconfiguration?
You created a security group for your RDS instance but cannot connect from your application server. What is a likely misconfiguration?
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check security group inbound rules
If the inbound rules do not include the application server's IP or CIDR, connections are blocked.Step 2: Confirm other options do not block connectivity
Encryption and Multi-AZ do not prevent connections; being in the same VPC is usually required.Final Answer:
The security group inbound rules do not allow the application server's IP -> Option BQuick Check:
Missing inbound rule blocks connection [OK]
Quick Trick: Inbound rules must allow app server IP for connection [OK]
Common Mistakes:
MISTAKES- Blaming encryption for connection issues
- Ignoring security group inbound rules
- Assuming Multi-AZ affects connectivity
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